Are you using gfs or gfs2? if you are using gfs i recommend to use gfs2
2012/6/3 Cedric Kimaru <rhel_cluster@xxxxxxxxxxx>
Fellow Cluster Compatriots,
I'm looking for some guidance here. Whenever my rhel 5.7 cluster get's into "LEAVE_START_WAIT" on on a given iscsi volume, the following occurs:
- I can't r/w io to the volume.
- Can't unmount it, from any node.
- In flight/pending IO's are impossible to determine or kill since lsof on the mount fails. Basically all IO operations stall/fail.
So my questions are:
thanks,
- What does the output from group_tool -v really indicate, "00030005 LEAVE_START_WAIT 12 c000b0002 1" ? Man on group_tool doesn't list these fields.
- Does anyone have a list of what these fields represent ?
- Corrective actions. How do i get out of this state without rebooting the entire cluster ?
- Is it possible to determine the offending node ?
-Cedric
//misc output
root@bl13-node13:~# clustat
Cluster Status for cluster3 @ Sat Jun 2 20:47:08 2012
Member Status: Quorate
Member Name ID Status
------ ---- ---- ------
bl01-node01 1 Online, rgmanager
bl04-node04 4 Online, rgmanager
bl05-node05 5 Online, rgmanager
bl06-node06 6 Online, rgmanager
bl07-node07 7 Online, rgmanager
bl08-node08 8 Online, rgmanager
bl09-node09 9 Online, rgmanager
bl10-node10 10 Online, rgmanager
bl11-node11 11 Online, rgmanager
bl12-node12 12 Online, rgmanager
bl13-node13 13 Online, Local, rgmanager
bl14-node14 14 Online, rgmanager
bl15-node15 15 Online, rgmanager
Service Name Owner (Last) State
------- ---- ----- ------ -----
service:httpd bl05-node05 started
service:nfs_disk2 bl08-node08 started
root@bl13-node13:~# group_tool -v
type level name id state node id local_done
fence 0 default 0001000d none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
dlm 1 clvmd 0001000c none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
dlm 1 cluster3_disk1 00020005 none
[4 5 6 7 8 9 10 11 12 13 14 15]
dlm 1 cluster3_disk2 00040005 none
[4 5 6 7 8 9 10 11 13 14 15]
dlm 1 cluster3_disk7 00060005 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
dlm 1 cluster3_disk8 00080005 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
dlm 1 cluster3_disk9 000a0005 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
dlm 1 disk10 000c0005 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
dlm 1 rgmanager 0001000a none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
dlm 1 cluster3_disk3 00020001 none
[1 5 6 7 8 9 10 11 12 13]
dlm 1 cluster3_disk6 00020008 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
gfs 2 cluster3_disk1 00010005 none
[4 5 6 7 8 9 10 11 12 13 14 15]
gfs 2 cluster3_disk2 00030005 LEAVE_START_WAIT 12 c000b0002 1
[4 5 6 7 8 9 10 11 13 14 15]
gfs 2 cluster3_disk7 00050005 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
gfs 2 cluster3_disk8 00070005 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
gfs 2 cluster3_disk9 00090005 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
gfs 2 disk10 000b0005 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
gfs 2 cluster3_disk3 00010001 none
[1 5 6 7 8 9 10 11 12 13]
gfs 2 cluster3_disk6 00010008 none
[1 4 5 6 7 8 9 10 11 12 13 14 15]
root@bl13-node13:~# gfs2_tool list
253:15 cluster3:cluster3_disk6
253:16 cluster3:cluster3_disk3
253:18 cluster3:disk10
253:17 cluster3:cluster3_disk9
253:19 cluster3:cluster3_disk8
253:21 cluster3:cluster3_disk7
253:22 cluster3:cluster3_disk2
253:23 cluster3:cluster3_disk1
root@bl13-node13:~# lvs
Logging initialised at Sat Jun 2 20:50:03 2012
Set umask from 0022 to 0077
Finding all logical volumes
LV VG Attr LSize Origin Snap% Move Log Copy% Convert
lv_cluster3_Disk7 vg_Cluster3_Disk7 -wi-ao 3.00T
lv_cluster3_Disk9 vg_Cluster3_Disk9 -wi-ao 200.01G
lv_Cluster3_libvert vg_Cluster3_libvert -wi-a- 100.00G
lv_cluster3_disk1 vg_cluster3_disk1 -wi-ao 100.00G
lv_cluster3_disk10 vg_cluster3_disk10 -wi-ao 15.00T
lv_cluster3_disk2 vg_cluster3_disk2 -wi-ao 220.00G
lv_cluster3_disk3 vg_cluster3_disk3 -wi-ao 330.00G
lv_cluster3_disk4_1T-kvm-thin vg_cluster3_disk4_1T-kvm-thin -wi-a- 1.00T
lv_cluster3_disk5 vg_cluster3_disk5 -wi-a- 555.00G
lv_cluster3_disk6 vg_cluster3_disk6 -wi-ao 2.00T
lv_cluster3_disk8 vg_cluster3_disk8 -wi-ao 2.00T
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